YouTube today announced YouTube Alive, “a celebration of the site’s vast user communities; everyone from bedroom vloggers to world-famous rock stars, musicians, comedians, athletes, artists and more. Part concert, part variety show and part party, the event will bring to life many of the amazing videos and talent that YouTube viewers have already made popular on the site.”

The two-hour event is scheduled to take place on November 22, 2008, in front of a live audience in San Francisco and will be streamed live on the site.

The variety show is expected to include:

• Akon
• Soulja Boy Tell’em
• Will.I.Am
• Planet B-Boy
• Beardyman
• Esmee Denters
• Sick Puppies
• LisaNova
• Funtwo
• Michael Buckley
• William Sledd
• Julia Nunes
• Mythbusters
• Tay Zonday
• Mike Relm

YouTube will be posting updates on the event at www.youtube.com/live.

This promises to be the most vlogged event ever.